Quantitative Techniques

JKPSC Assistant Professor (Economics) · Economics · 67 practice questions with answers and explanations: 5 Easy, 62 Medium, 0 Hard.

Sample questions

Sample Easy question 1

The Gauss–Markov theorem says that OLS estimators are:

  1. Nonlinear and unbiased
  2. Biased but efficient
  3. BLUE (best linear unbiased estimators)
  4. Maximum likelihood alone
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Answer: C. Under the classical assumptions.

Sample Easy question 2

The mode of the data 3, 5, 5, 7, 9 is:

  1. 9
  2. 3
  3. 5
  4. 7
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Answer: C. The most frequent value.

Sample Easy question 3

In hypothesis testing, a Type I error is:

  1. Accepting a true null hypothesis
  2. Rejecting a false null hypothesis
  3. Rejecting a true null hypothesis
  4. Accepting a false null hypothesis
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Answer: C. Its probability is the significance level.

Sample Medium question 4

The derivative of y = x³ with respect to x is:

  1. 3x²
  2. 3x
  3. x²
  4. x⁴/4
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Answer: A. It is the power rule.

Sample Medium question 5

The integral of 2x dx is:

  1. 2x² + c
  2. 2 + c
  3. x + c
  4. x² + c
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Answer: D. It is the reverse of differentiation.

Sample Medium question 6

The point where the marginal cost equals marginal revenue is found by setting:

  1. Price to zero
  2. The second derivative to zero
  3. The first derivative of profit to zero
  4. Revenue to cost
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Answer: C. It is the first-order condition.

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